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#!/bin/bash
set -e
ver="$1"
dfsg="${2:-+dfsg1}"
upstream_tag="upstream/${ver/\~/_}${dfsg/\~/_}"
git show -s upstream/experimental
git show -s debian/experimental
printf "\ngit top-level dir: %s\n" "$(git rev-parse --show-toplevel)"
printf "version: $ver\n"
if ! git merge-base --is-ancestor upstream/experimental debian/experimental; then
echo >&2 "upstream/experimental is not an ancestor of debian/experimental"
fi
if git rev-parse "${upstream_tag}" 2>/dev/null >/dev/null; then
echo >&2 "tag already exists: ${upstream_tag}"
fi
read -p "continue? [y/N] " x
if [ "$x" != "y" ]; then exit 1; fi
cd "$(git rev-parse --show-toplevel)"
git branch -f upstream/rebase-patches upstream/experimental
git branch -f debian/rebase-patches debian/experimental
git checkout debian/rebase-patches
gbp pq drop || true
read -p "import patches before upstream tarball? [Y/n]" x
if [ "$x" != "n" ]; then
gbp pq import --no-patch-numbers
imported=1
fi
gbp import-orig "../rustc_${ver}${dfsg}.orig.tar.xz" \
--upstream-branch=upstream/rebase-patches \
--debian-branch=debian/rebase-patches \
--no-sign-tags --no-pristine-tar --no-symlink-orig
if [ "$imported" == "" ]; then
gbp pq import --no-patch-numbers || ( git tag -d "${upstream_tag}" && false)
fi
# rebase here
echo "$0: Now manually rebase - run 'git rebase debian/rebase-patches'"
echo "$0: There may be conflicts; follow the instructions that git tells you."
echo "$0: When done, exit the child shell with ctrl-D"
$SHELL
gbp pq export --no-patch-numbers
git add debian/patches
git commit -m "early-stage update of patches for ${ver}${dfsg}"
git checkout .
git rebase @~ --onto=debian/experimental
git branch -f debian/experimental
git checkout debian/experimental
# cleanup
git tag -d "${upstream_tag}" || true
git branch -D upstream/rebase-patches || true
git branch -D debian/rebase-patches || true
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